Low pressure side is on the front passenger side towards the right (driver's side)of the engine bay. you will find it on the front towrds the radiator. VW A/C systems are delicate so be sure not to over fill with too much freon.
The 2000 Pontiac Bonneville air conditioning compressor low pressure port is located on the bottom of the compressor. You can recharge your cooling system through the low pressure port.
The low pressure AC port on a 2000 Buick Century is located on the accumulator. It is used to fill the system with refrigerant and to check pressure levels.
on the evaporator / dryer
The low pressure port is located on the left side of the car towards the back of the engine compartment. It was a blue cap on it with a capital L.
I found the low pressure ac port on my 2001 sable by the passenger side firewall.
The AC low pressure port on a 2000 Dodge Intrepid is located on the side of the AC accumulator. It is positioned in the left, rear area of the engine compartment.
The AC recharging port on a 1999 VW Beetle is located in the engine compartment. It is near the radiator on the passenger side of the car.
look for the port with the black cap on it, it's the low pressure port.
The low pressure freon port is located on the low pressure line that is attach to the ac compressor (driver side). Safely jack up the car, look underneath at the compressor, then located the low pressure line (larger diameter). There you'll find the port underneath a cap.
in the front near the radiator on the passengers side of the car. It may have a black cap and have low or L on it. It is your low pressure A/C service port.
The recharge port is located on the passenger side near the firewall.
The Freon recharge port can be found on the top of the air conditioner compressor. There will be two ports. The recharge port will be labeled as the low pressure port.